Specification :

Dimehypo

Common name: dimehypo
Chemical Abstracts name:
Thiosulfuric acid, S, oxalate-[ 2 - ( dimethylamino) -1, 3 - propanediyl] ester disodium salt;
thiosulfuric acid, s, s' - ( 2 - ( dimethylamino) -1, 3 - propanediyl) ester, disodium salt;
dimehypo; disodium s, s' - ( 2-dimethylamino -1, 3 - propanediyl) bis
CAS RN: [ 52207-48-4]

PHYSICAL CHEMISTRY
Mol. wt.: 355.28; M.f.: C5H11NNa2O6S4; Form: white crystals ( including two molecular crystal water) , the melting point 142-143 ° C ( decomposition) . Solubility: Soluble in water, soluble in ethanol, methanol, dimethyl formamide and dimethyl sulfoxide, acetone - soluble and insoluble acid, ethyl, ether. Yi moisture absorption, strange odor, in strong alkaline conditions easily biodegradable, room temperature stability.

APPLICATIONS
Cartap the goods on the basis of Dan successfully developed. Bisultap by acidification, can be made Shachongdan. Monosultap ( or Bisultap) with sodium sulfide Central, with oxalic acid salt, in the Central Insecticide. Cartop, molosultap, insecticidal Central, Bisultap have stomach poisoning and tag, bone absorption effect. Bisultap of rice, wheat, corn, beans, vegetables, citrus, fruit, tea, forests and other crops are the main pests of Control fine, as Rice Pink Borer, Chilo suppressalis, three Borer, leafroller, rice shell insects, leafhoppers, thrips rice, Oulema Chinese rice stem borers and vegetables Borer, Pieris rapae, Huang flea beetles, aphids, caterpillars Star pear, citrus leafminer.

MAMMALIAN TOXICOLOGY
Male rats acute oral toxicity LD50 1021mg/ kg, female rats to 995.9mg/ kg; Male mice acute oral toxicity LD50 316mg/ kg, 271mg/ kg for female mice; Female mice with acute percutaneous LD50 for 2062mg/ kg. Right mucosa, skin without stimulating role. Its water ( pH = 6.5 ~ 7) right mouse acute oral toxicity LD50 200 ~ 235mg/ kg, 520 ~ 680mg/ kg for rats. Red carp 40th ( 24, 48 and 96 h) , respectively 41.11, 27.86, 27.35 mg / L, for ADI kg.